The diversity in agronomic practices being used by sugarcane producers in Brazil determines differences in economic performance and cost structure. The purpose of this study is to evaluate the cost of six systems of agronomic practices using fixed or variable rates for soil amendment, fertilizer, and defensive applications and assess the profitability of these systems at three scales of sugarcane production. We then describe the data sample related to the 2019–2020 harvest season and collected from fifty-five sugarcane producers in the (...) central-south region of Brazil. Thereafter, using a quantitative approach, a cost analysis was performed, and the cumulative frequency of the net revenue for the three scales of production (small, medium, and large), was calculated using a Monte Carlo simulation. The cost analysis indicated that fertilizer had the highest cost considering the agronomic practices adopted at the three scales of production analyzed. The cumulative frequency analysis results from the Monte Carlo simulation showed the highest net revenue per hectare for medium sugarcane producers. In addition, the presence of economies of scale was not confirmed because the lowest cost was found in small-scale sugarcane producers and the highest net revenue was obtained by medium-scale sugarcane producers. (shrink)

Résumé Depuis les débuts de l'humanité, l'être humain s'est préoccupé de conserver les aliments en vue de les rendre plus longtemps comestibles. Au fil du temps, différentes méthodes pour préserver la nourriture ont été découvertes et perfectionnées, et ces techniques se trouvent décrites dans beaucoup d'œuvres. Ce travail décrit la connaissance des techniques de conservation qu'avaient les habitants de la péninsule ibérique ainsi que les développements qu'ils leur ont apportés. Il s'attache à étudier les divers procédés mis au point entre (...) le i er et le xvi e siècle, de façon à évaluer leur apport historique respectif. Les œuvres choisies et consultées sont : L.J.M. Columela, Los doce libros de Agricultura ( Les douze livres d'agriculture ), Abū al-Jayr, Kitāb al-Filāḥa. Tratado de agricultura ( Livre d'agriculture ), Ibn Baṣṣāl, Kitāb al-Filāḥa. Libro de agricultura ( Livre d'agriculture ), Ibn al-ʿAwwām, Kitāb al-Filāḥa. Libro de Agricultura ( Livre d'agriculture ), Ibn Luyūn, Kitāb al-Filāḥa. Tratado de Agricultura ( Livre d'agriculture ), Alonso de Herrera, Agricultura general ( Agriculture générale ). (shrink)

Agronomic science or technoscience has an important role in contemporary times and is the focus of necessary philosophical investigations. The present study aimed to relate Gadamerian philosophical hermeneutics with the Laudanian concept of philosophy of science, also applied to the philosophy of technology within the agronomic context. The central question to be answered is: can Gadamerian philosophical hermeneutics apply to the understanding of agronomy? Given this, central references and commentators were selected, dividing the dialogue between the authors and the argumentation (...) into the following points: sciences, technologies, and Gadamerian philosophical hermeneutics; agronomic traditions and their Laudanian progress; reaching the final possibility of intersections between Gadamer and Laudan, when reflecting on agronomy, especially on the theme of traditions. (shrink)

We describe how the set of tools, practices, and social relations known as “precision agriculture” is defined, promoted, and debated. To do so, we perform a critical discourse analysis of popular and trade press websites. Promoters of precision agriculture champion how big data analytics, automated equipment, and decision-support software will optimize yields in the face of narrow margins and public concern about farming’s environmental impacts. At its core, however, the idea of farmers leveraging digital infrastructure in their operations is not (...) new, as agronomic research in this vein has existed for over 30 years. Contemporary discourse in precision ag tends to favour emerging digital technologies themselves over their embeddedness in longstanding precision management approaches. Following several strands of science and technology studies research, we explore what rhetorical emphasis on technical innovation achieves, and argue that this discourse of novelty is a reinvention of precision agriculture in the context of the growing “smart” agricultural economy. We overview six tensions that remain unresolved in this promotional rhetoric, concerning the definitions, history, goals, adoption, uses, and impacts of precision agriculture. We then synthesize these in a discussion of the extent to which digital tools are believed to displace farmer decision-making and whether digital agriculture addresses the biophysical heterogeneity of farm landscapes or land itself has become an “experimental technology”—a way to advance the general development of artificial intelligence. This discussion ultimately helps us name a larger dilemma: that the smart agricultural economy is perhaps less about supporting land and its stewards than promising future tech and profits. (shrink)

AbstractAdvances in precision agriculture, driven by big data technologies and machine learning algorithms can transform agriculture by enhancing crop and livestock productivity and supporting faster and more accurate on and off-farm decision making. However, little is known about how PA can influence farmers’ sense of self, their skills and competencies, and the meanings that farmers ascribe to farming. This study is animated by scholarly commitment to social identity research, and draws from socio-cyber-physical systems research, domestication theory, and activity theory. This (...) conceptualization of PA within these theoretical perspectives helps to render visible how big agricultural data and machine learning algorithms can affect meaning, doing, and being for US farmers. Through analysis of data from six focus group discussions and follow-up surveys with stakeholders across the PA value chain, this paper shows that PA tools can necessitate farmers to learn and develop new competencies such as flying drones and interpreting yield maps. At the same time, PA can shape new meaning of farm work and new expectation about a ‘good farmer’, changing what it means to be a ‘successful’ farmer from someone who is not only a data observer or data gatherer but also validators of PA models by using their local knowledge of agronomic and environmental phenomenon. We conclude that PA can alter social expectations about farming by reorienting the role of farmers. Policymakers and agriculture extension and outreach programmers can develop more socially relevant PA knowledge and innovation if they can attend to both new and traditional ‘good farmer’ identities. (shrink)

Cultural and ecological dimensions of agriculture are often considered as contrasting in agricultural research. This is well reflected on approaches to variety evaluation and selection that privilege a narrow set of agronomic indicators that do not account for the complexity of farmer-crop interactions. In this work, we explore the concept of ‘crop biocultural traits’ to integrate the social and biological dimensions of crops and the entanglements between them. Our research is based on a case-study in a Bassari village of south-eastern (...) Senegal, where we explored the biocultural traits that farmers assign to crops and varieties together with their abundance, distribution and trends. We focus on six local staple crops, namely sorghum, Bambara groundnut, fonio, maize, rice and peanut. Our methods include key-informant and semi-structured interviews, individual trait scoring exercises and participatory workshops. Our results reveal that Bassari farmers characterize crops and varieties considering both their agronomic but also their socio-economic and cultural traits. Bassari maintain a basket of crops and varieties that, together, bear multiple and complementary traits. However, no biocultural trait alone can explain crop and variety abundance, distribution, and trends. We conclude that understanding crop diversity dynamics requires embracing the complexity of biocultural interactions. We argue that this is also a matter of ontological pluralism and of viewing agricultural knowledge as a collective effort and a common good. Only by including diverse ways of knowing will it be possible for plant breeding and conservation efforts to address farmers contextualized needs and priorities. (shrink)

This article discusses the concept of ‘insubmission’. This concept is the cornerstone of Amílcar Cabral’s critical theory. Introduced in his early agronomic writings, it refers to the human species’ refusal to submit to the nature of which we are always a part. The context is the anticolonial critique of traditional European humanism. Insubmission is Cabral’s response to the dehumanizing effects of colonialism and the environmental impact of anthropocentric extractivism that accompanies it. As a linchpin in Cabral’s theoretical framework, insubmission serves (...) to structure and impart meaning to other concepts. Notably, it provides fresh insights into the multifaceted concept of ‘resistance’. Cabral underscores the imperative of combating dehumanization through physical fortitude (physical and armed resistance), intellectual resilience (cultural resistance), and institutional strength (political resistance). Additionally, it emphasizes the necessity of averting environmental catastrophes through a socio-economic development model (economic resistance) underpinned by a resolute ethical commitment to responsible soil conservation practices. (shrink)

There is growing political pressure for farmers to use more sustainable agricultural practices to protect people and the planet. The farming press could encourage farmers to adopt sustainable practices through its ability to manipulate discourse and spread awareness by changing the salience of issues or framing topics in specific ways. We sought to understand how the UK farming press framed sustainable agricultural practices and how the salience of these practices changed over time. We combined a media content analysis of the (...) farming press alongside 60 qualitative interviews with farmers and agricultural advisors to understand whether the farming press influenced farmers to try more sustainable practices. Salience of sustainable agricultural practices grew between 2009 and 2020. Many of the practices studied were framed by the press around economic and agronomic aspects, and farmer respondents said the most common reasons for trying sustainable agricultural practices were for economic and agronomic reasons. The farming press tended to use more positive rather than negative tones when covering sustainable agricultural practices. Respondents used the farming press as a source of information, though many did not fully trust these outlets as they believed the farming press were mouthpieces for agribusinesses. Whilst a minority of farmers stated they were motivated to try a new sustainable agricultural practice after learning about it in the farming press, this was rare. Instead, the farming press was used by respondents to raise their awareness about wider agricultural topics. We reflect on the role and power given to agribusinesses by the farming press and what this means for agricultural sustainability. (shrink)

Before Euro-American settlement, many Native American nations intercropped maize (_Zea mays_), beans (_Phaseolus vulgaris_), and squash (_Cucurbita pepo_) in what is colloquially called the “Three Sisters.” Here we review the historic importance and consequences of rejuvenation of Three Sisters intercropping (3SI), outline a framework to engage Native growers in community science with positive feedbacks to university research, and present preliminary findings from ethnography and a randomized, replicated 3SI experiment. We developed mutually beneficial collaborative research agendas with four Midwestern US Native (...) American nations. Ethnographic data highlighted a culturally based respect for 3SI as living beings, the importance it holds for all cultural facets of these Native nations, and the critical impact the practice has on environmental sustainability. One concern expressed by Native growers during ethnographic research was improving soil health—part of the rationale for establishing the 3SI agronomic experiment. To address this, we collaboratively designed a 3SI experiment. After 1 year, 3SI increased short-term soil respiration by 24%, decreased salt-extractable nitrate by 54%, had no effect on soil microbial biomass (but increased its carbon-to-nitrogen ratio by 32%) compared to the average of monoculture crops. The overarching purpose of this collaborative project is to develop a deeper understanding of 3SI, its cultural importance to Native communities, and how reinvigorating the practice—and intercropping in general—can make agroecosystems more sustainable for people and the environment. (shrink)

Understanding farmers’ values that underpin crop choices is pivotal for designing effective and adequate sustainable agricultural policies. While significant attention has been given to the agronomic, economic and socio-cultural values of smallholder farmers in the Global South, the plural values held by commercial farmers in the Global North—specifically ascribed to perennial crops—remain underexplored. Here, we adopt an emic perspective to investigate farmers’ values involved in past and anticipated choices of grapevine varieties in the Gaillac region (southwestern France). We conducted 35 (...) interviews with farmers, and recorded 962 expressions of values for 50 cultivated grapevine varieties. Using a mixed deductive-inductive approach, we classified these values, and identified groups of farmers and varieties based on shared values using a network analysis. Farmers’ expressions of values were grouped into five domains: wine-growing (21.9%, e.g., yield), wine-making (21.8%, e.g., organoleptic properties), economics (20.7%, e.g., specific market), sense-based (23.7%, e.g., attachment to place), and external factors (11.9%, e.g., varietal regulations). Results suggest that the diversity and variation of values held by different groups of farmers and groups of varieties are key to supporting the high level of crop diversity observed at both farm and vineyard scales. Specifically, the feelings of attachment and sense of belonging to the Gaillac region are effective triggers in the maintenance of local grapevine varieties. Our research emphasizes the diverse place-based values attributed to crops, and highlights the importance of integrating sense-based values in developing biodiversity-based policies. (shrink)

Agricultural crops developed using the tools of genetic engineering have become socially institutionalized in three ways that substantially compromise the inherent potential of plant transformation tools. The first is that when farming depends upon debt finance, farmers find themselves in a competitive situation such that efficiency-enhancing technology fuels a trend of bankruptcy and increasing scale of production. As efficiency increasing tools, GMOs are embedded in controversial processes of social change in rural economies. The United States, at least, has chosen not (...) to undertake policy interventions to slow or reverse this trend. The second institutionalization of GMOs is found in the way that agricultural science has become divided between two camps, one focused on efficiency and total global production, the other focused on maintaining soil and water ecosystems in the face of both population growth and climate change. GMOs have been strongly supported by the first camp and regarded as irrelevant to the goals of the second. Finally, GMOs have become symbolic markers in the global debate over neoliberal institutions for trade and the protection of intellectual property. While there may be agronomic arguments for favoring GMO technology, the way that it has become situated in each of these social debates insures that it will be subject to strong opposition without regard to its biological risks and potential benefits. (shrink)

In this paper we argue that over the last 40 years the context of agronomic research in the developing world has changed significantly. Three main changes are identified: the neoliberal turn in economic and social policy and the rise to prominence of the participation and environmental agendas. These changes have opened up new spaces for contestation around the goals, priorities, methods, results and recommendations of agronomic research. We suggest that this dynamic of contestation is having important effects on how agronomic (...) research is planned, managed, implemented, evaluated and used, and is therefore worthy of detailed study. This is particularly so at a time when food security, rising food prices and the potential impacts of climate change on agriculture are in the policy spotlight. We outline a research agenda that should help illuminate the drivers, dynamics and impacts of this new ‘political agronomy’. (shrink)

Gene editing in agriculture and food (GEAF) is a nascent development with few products and is unfamiliar among the wider US public. GEAF has garnered significant praise for its potential to solve for a variety of agronomic problems but has also evoked controversy regarding safety and ethical standards of development and application. Given the wake of other agribiotechnology debates including GMOs (genetically modified organisms), this study made use of 36 in-depth key interviews to build the first U.S. based typology of (...) proponent and critic priorities for shaping public trust in GEAF actors and objects. Key organizational actors provide early and foundational messaging, which is likely to contribute heavily to public salience, comprehension, and decision-making as potential consumers reflect upon their experiences, envision future outcomes, and consider the reputation of those trying to influence them. As is documented in our results, the trust-building priorities of these groups often stand in opposition to one another and are influenced by distinct motivations for how the public will come to trust or distrust GEAF actors and objects as more products are developed and enter the market. (shrink)

In the context of the agroecological transition, the ability of alternative ways of farming to develop themselves in the long run without being co-opted by mainstream input intensive agriculture is essential. Biodynamic farming (BF), which began a century ago in 1924, was one of the first alternatives to modern agriculture, associated with specific agricultural practices, worldview and human-nature relationships. Over the last 100 years, BF has developed worldwide in a context of growing industrialization, without becoming industrialized itself, and it is (...) still considered today as a radically alternative way of farming. To better understand the resistance of BF, this paper provides an overview of its history, with particular emphasis on its complex relationships with the broader organic agriculture (OA) movement. Three overlapping historical stages are distinguished: (1) Agronomic consolidation stage: from Rudolf Steiner’s agricultural courses to the first “Agricultural Experimental Circle”, the creation of the Demeter label and the emergence of OA (first half of 20th century); (2) Institutionalization stage; Initially, BF was coevolving closely with the growing OA movement, but then the differentiation between both progressively increased. Meanwhile the first collaborations with academic research institutes were initiated; (3) Expansion stage: With growing commercialization opportunities for biodynamic products, the 21st century corresponds to a stage of economic development for BF and a new wave of geographic expansion in every continent. In the final section of the paper, the implications for sustainability transformations are discussed. Particularly, it is argued that the ability of BF to combine strategies of agronomic consolidation, institutionalization and expansion over time could be the key to its resilience. The complementarities between BF and other alternative ways of farming might play an important role in future evolutions. (shrink)

The role of faith and religion in international development cooperation is hotly debated today. The legitimacy of this role remains, however, often confided to instrumental reasons. Yet, thinking about faith and religion only in instrumental terms leaves unquestioned the possibility of a religious background of development cooperation as a practice itself and the potential role of faith through individual practitioners that operate within secular NGOs, and research and policy institutes. The aim of the present paper is therefore to consider the (...) structural role of faith and worldview in relation to agricultural development, moving beyond the discourse of instrumentality. We do this by focusing on Giller and Andersson’s political agronomy analysis of the promotion of Conservation Agriculture in Zimbabwe by the faith-based organisation ‘Foundations for Farming’. We argue that a distinction should be made between religion as a practice of believers and faith functioning as a worldview in every practice. In addition, we argue that it is helpful to distinguish between different kinds of practices involved in agricultural development in sub-Saharan Africa, namely farming practice, agronomic scientific practice, and faith practice. The value of this philosophical analysis is that it challenges a dichotomous model of ‘science-based versus faith-based’ approaches to agricultural development. Furthermore, specific kinds of normativity are identified as always already functioning inside practices, rather than practices being neutral spaces that are infused with normativity by applying external ethical standards. (shrink)

Timely and accurate information is vital to the success of row crop farmers in the United States. Information access is also critical to conservation efforts due to its influence on best management practice adoption. Public information sources like extension educators have been declining in importance for farmers, raising concerns around what information farmers receive on conservation practices and the accessibility of agronomic information. In this study we investigate farmers’ changing information source consultation by broadly considering the agricultural information landscape, exploring (...) whether farmers have displayed clear trends in access between public and private sources and whether certain farmer or operational characteristics predict public or private source access. We utilize data from a 2018 survey of farmers in four Corn Belt states to examine farmers’ information seeking behaviors and predict the number of total, public, and private sources accessed using structural equation modeling with latent variables. Our findings elaborate on the public-to-private source shift and reveal that farmers continue to seek information from both private and public sources, though the frequency, mode of contact, and types of farmers contacting these sources differ. Results suggest public information sources are still influential, but they are accessed less frequently, tend to appeal to farmers with stronger environmental concerns, and have less appeal to older farmers compared to private information sources. Our findings indicate the potential for extension and other public sources to diversify modes of communication to further their reach. (shrink)

At the turn of the 21st century, a collection of donors created the Alliance for a Green Revolution in Africa (AGRA) to spark a “new” Green Revolution on the African continent. Since its inception, AGRA’s mission has revolved around a series of interventions designed around the idea of making agriculture a “business.” In this paper, I ask how AGRA puts such discourses into practice with a particular focus in Ghana. To do so, I draw on a television show produced by (...) AGRA called Kuapa, organizational literature, and to a lesser extent, interviews, to assess how AGRA materializes its goals in Ghana. Ultimately, I argue that a focus on discourse not only provides insight into how AGRA conceptualizes agricultural transformation, but also how AGRA pursues agronomic, political, and social changes in the countries in which it intervenes. (shrink)

Le concept d’« agriculture intelligente», évolution de l’« agriculture de précision», a récemment émergé comme un nouveau paradigme en agriculture. Cette approche s’appuie sur des technologies numériques – telles que l’intelligence artificielle, les Big Data et l’Internet des objets – pour relever un défi majeur auquel l’agriculture moderne est confrontée : la nécessité d’augmenter la productivité tout en réduisant son impact écologique. L’agriculture intelligente vise ainsi à passer d’une agriculture axée sur les processus à une agriculture guidée par les données. (...) Cependant, le volume considérable de données générées et la dépendance croissante aux traitements algorithmiques, notamment les algorithmes d’apprentissage automatique, soulèvent des inquiétudes quant à une possible perte du pouvoir de décision des agriculteurs. Les outils d’aide à la décision risquent en effet de se transformer en décideurs autonomes. Pour les agronomes, ce déluge de données menace non seulement de rendre les approches scientifiques traditionnelles obsolètes, mais aussi de fragiliser les fondements mêmes de la science agronomique. Ainsi, cet article pose une question centrale : qui est réellement « intelligent» dans l’agriculture intelligente? Est-ce l’agriculteur, l’agronome ou les technologies numériques qui sont à l’origine de cette transformation? En explorant cette question, l’article examine les enjeux épistémiques soulevés par l’agriculture intelligente. (shrink)

Regional planning for improved agricultural capacity to supply produce, legumes, and whole grains has the potential to improve population health as well as the local food economy. This case study of Waterloo Region (WR), Canada, had two objectives. First, we estimate the quantity of locally grown vegetables, fruits, legumes, and whole grains needed to help meet the Region of Waterloo population’s optimal nutritional requirements currently and in 2026. Secondly, we estimate how much of these healthy food requirements for the WR (...) population could realistically be produced through local agriculture by the year 2026. Results show that a shift of approximately 10% of currently cropped hectares to the production of key nutritious foods would be both agriculturally feasible and nutritionally significant to the growing population. We supplement our findings with some agronomic considerations and community-level strategies that would inform and support such change. The methodology of this study could be applied to other regions: more such analyses would create a broader picture of the diverse qualitative and quantitative agricultural shifts that could synchronize optimal land use with dietary recommendations, thus informing coordinated policy and planning. (shrink)

The study of recent ‘traditional’ Mediterranean rural economy has long been a predilection of ancient historians and archaeologists working in that area. Traditional practices and production norms have been used by ancient historians in the interpretation of the often enigmatic testimony of the ancient agronomic writers, while archaeologists have used the same information to fill in the many gaps in the material record supplied by the spade. Much of the relevant data on traditional rural economy are gleaned from the accounts (...) of early travellers or of modern geographers, ethnographers and agronomists. Butcomparandaacquired at first-hand enhance the credibility of archaeologists and ancient historians as fieldworkers, and chance summer encounters with Cretan shepherds or Cycladic fishermen are valuable currency in competitive displays at academic conferences. (shrink)

The current complex seed governance framework, and the increasingly oligopolistic seed industry that has championed it, have created a series of seed enclosures that exclude farmers and many breeders from freely accessing, sharing and improving seed, and constraining their freedom to operate and cooperate. Opposing the resulting ongoing loss of both cultivated diversity and farmers’ seed rights, experimental initiatives applying open source models and copyleft principles to the domain of seed have emerged. This article presents six initiatives from five different (...) continents applying open source seed (OSS) models in very diverse cultural, policy and agronomic contexts: Bioleft in Argentina, Seed Savers Network in Kenya, MASIPAG in the Philippines, OpenSourceSeeds in Germany, Open Source Seed Initiative in the USA and Rete Semi Rurali in Italy. We analyse the mechanisms by which OSS models attempt to overcome legal, knowledge, and financial enclosures by creating safe operating spaces in current governance frameworks, breeding for diversity and rebuilding bridges between farmers and breeders, while exploring innovative financial models to fund breeding for cultivated diversity. The findings show that OSS emerges as a synergistic strategy to amplify seed rights through three dimensions: first, geographically, by connecting local and international efforts to enhance cultivated diversity and seed rights. Second, a temporal dimension, by acting now, within the current legal context, while contributing to the long term transformation of seed governance. Third, through its capacity to be applied in both physical and digital realms. Finally, further areas of research on OSS are proposed. (shrink)

Built in Gif-sur-Yvette in the 1950s, the phytotron of the Centre national de la recherche scientifique provided plant physiologists with a set of enclosed growth rooms in which several climatic constituents of the environment could be simultaneously and separately controlled. This article examines the polyvalence of the French phytotron to explore the economic and political entanglements of experimental reasoning in mid-twentieth-century plant physiology. As Gif scientists embraced phytotrons as a means for developing an ‘experimental bioclimatology’, not only did they introduce (...) into the laboratory an understanding of climate as a complex of agents likely to affect plant life, but also they sought to map scientific findings on productive pursuits during a period of intense agricultural modernization. The horticultural and agronomic applications envisaged were aimed at the timing of climate-sensitive biological events, but also at the expansion of productive areas within and outside metropolitan France, particularly in the context of late colonial and international dry-land development agendas. This case study of phytotronists’ agricultural imagination highlights a techno-scientific conception of climate steeped in biology, tied to the limits and potential of plant life in time and space, and regarded as either a deficiency to be corrected or a resource to be harnessed. (shrink)

Soil balancing is widely used in organic farming, but little is known about the practice because technical knowledge and goals for the practice are produced and negotiated within an alternative community of practice (CoP). We used a review of the private soil balancing literature and semi-structured interviews with farmers and consultants to document the knowledge, shared meanings, and goals of key actors within the soil balancing CoP. Our findings suggest this CoP is dominated by discourse between private consultants and farmers, (...) with few contributions to or from scientists or the peer reviewed literature. The idea of soil balancing is centered around improving soil quality through adjustments in Base Cation Saturation Ratios (BCSR), and practitioners report a wide range of positive agronomic outcomes. For most soil balancers, however, BCSR is only one part of a broader approach to soil health management that also utilizes traditional soil fertility recommendations and soil health-building cultural management practices. Meanwhile, a survey of land grant university soil fertility specialists and the peer-reviewed literature documented a high degree of skepticism and a lack of scientific evidence that BCSR can boost crop yields. We conclude that this scientific discourse reflects a disconnect from the practices and meanings used in the soil balancing CoP. While tensions between the dominant and niche agricultural knowledge systems are not unique, we believe a better appreciation for the nuanced meanings and goals within the soil balancing CoP present an opening for expanded collaborations with scientists doing research on soil health. (shrink)

Ethnopedology is the study of local knowledge of soil and land management in an ecological perspective. It is an emerging hybrid discipline that is a component of ethnoecology and stands to offer much for land-based studies. This paper reviews the field of ethnopedology in Latin America and compares some of the many case studies from that region. Various literature sources are considered, including the ethnographical, ethnohistorical, archaeological, geographical, agronomic, ethnoecological, and development studies. Our review invokes the theory of ethnoecology that (...) focuses on the linkages between kosmos (beliefs and symbolic representations), corpus (environmental knowledge), and praxis (the set of practical operations through which the material appropriation of nature takes place) of local land-users. The main topics covered are the ethnohistorical and archaeological evidence of ethnopedology, local soil and land classification, local land management systems, local perceptions and beliefs of soil and land resources, and local soil fertility management. After analysing past and present research trends, recommendations are given on how ethnopedological studies can contribute to enhance sustainable land use and management in Latin America. (shrink)

Gene discovery reveals new biology, expands the utility of marker‐assisted selection, and enables targeted mutagenesis. Still, such discoveries can take over a decade. We present a general strategy, “Agile Genetics,” that uses nested, structured populations to overcome common limits on gene resolution. Extensive simulation work on realistic genetic architectures shows that, at population sizes of >5000 samples, single gene‐resolution can be achieved using bulk segregant pools. At this scale, read depth and technical replication become major drivers of resolution. Emerging enrichment (...) methods to address coverage are on the horizon; we describe one possibility – iterative depth sequencing (ID‐seq). In addition, graph‐based pangenomics in experimental populations will continue to maximize accuracy and improve interpretation. Based on this merger of agronomic scale with molecular and bioinformatic innovation, we predict a new age of rapid gene discovery. (shrink)

The purpose of the article is to reveal the peculiarities of organizing agricultural research and education in Ukraine in the period of the national liberation movements in 1917–1921, and to determine the role of the Agricultural Scientific Committee of Ukraine and the Committee of Agricultural Education in their establishment. The authors compared the models of the development of agrarian research and education under Ukrainian Central Rada, Hetman P. Skoropadskyi, the Directory, and Soviet authorities. Coordination of sectoral science and education in (...) Ukraine began with the establishment the General Secretariat of Land Affairs of the Ukrainian Central Rada in 1917. The conceptual foundations of Ukrainian science and education, the core of which was Ukrainization, were developed by the First and Second All-Ukrainian Pedagogical Congresses, as well as the First All-Ukrainian Agronomic and Economic Congress. Ukrainization primarily concerned the conduct of the scientific and educational process and the writing of new books and textbooks in national language. The article reveals the creative initiatives of the Agricultural Scientific Committee of Ukraine and the Committee of Agricultural Education in coordinating the activities of some institutions to disseminate agricultural knowledge and the organization of sectoral research and education, substantiated by the important role of famous politicians. The use of international experience for the practical confirmation of theoretical skills in various agricultural directions is highlighted. The Agricultural Scientific Committee of Ukraine, simultaneously instituted with the Committee on Agricultural Education, was interested in close creative cooperation on the sectoral specialist training. (shrink)

During his second tenure as Commissioner for Agriculture and Rural Development, Franz Fischler observed a progressively favorable political climate for a second reform of the CAP. The mid-term review of the agricultural policy for the 2000–2006 period, in 2003, provided the opportunity to decouple agricultural support from production. The solution implemented involves converting the direct payments provided to farmers for each specific product into a unified single farm payment. This amount, linked to eligible hectares, is awarded to the farmer regardless (...) of his production decisions and even if he ceases activity, contingent upon his commitment to preserve the land in good agronomic and environmental conditions. The Fischler reform, initially targeting only certain productions, is progressively extended to all others as their respective Common Market Organizations undergo reforms and are integrated into a simplified single Common Market Organization (CMO). The following Commissioner for Agriculture and Rural Development, Marianne Fischer Boel, undertakes this task as part of the so-called Health Check of the CAP. Throughout this period, the second pillar of the CAP, dedicated to rural development policy, is gradually strengthened, although its significance remains subordinate to the first pillar concerning income and market policy. In the meantime, new and severe criticisms regarding the agricultural budget emerged, albeit temporarily alleviated by a 2002 agreement between French President Chirac and German Chancellor Schroeder, which remains valid until 2013. However, a substantial pressure on agricultural spending persists. (shrink)

This article analyzes the didactic method of the first book of Vergil’s Georgics to show that the poem habituates the reader to engage with the world of the farm as a landowner and enslaver. By comparing the Georgics to works of agronomy (Cato, Varro) and agricultural didactic (Hesiod) with which Vergil consciously aligns his poem, I show that Vergil invisibilizes slavery by omitting explicit discussions of enslaved persons or slave management while nevertheless amplifying those discussions’ discursive tendency to instrumentalize enslaved (...) persons as tools or extensions of their enslaver, and thus to elide distinctions between them. I look closely at the modes of instruction Vergil uses in Georgics 1, dividing them broadly into the categories of “command” (active and passive commands; impersonal and gerundive constructions) and “observation” (third-person depictions of labor being performed). Vergil’s commands alternately obscure the agents of agricultural labor, displace the exercise of domination onto nonhumans or abstractions, and model the performances of epistemic mastery expected of a dominus in the agronomic tradition. The observations, though generally further removed from agricultural labor hierarchies, similarly privilege knowledge derived from surveillance or management. Such a poetics naturalizes slavery despite (or even because of) its apparent absence in the text. (shrink)

Le but de cette étude est de démontrer que Columelle, un agronome romain, nous restitue un texte d’Héraclite inconnu par ailleurs. Ce témoignage nous conduit à réfuter les interprétations moraliste et relativiste du « pur » et de l’« impur » et à proposer une nouvelle interprétation, physiologique, de la conception héraclitéenne du « propre » et du « sale ». Columelle permet ainsi de mieux connaître la théorie d’Héraclite et de la distinguer de celle de Démocrite : en identifiant (...) et en opposant les cochons et les poules, d’une part, la boue et la poussière, d’autre part, Héraclite nous a fourni une double illustration, à la fois physique et logique, de l’unité des contraires. (shrink)

Since the introduction and widespread adoption of chemical herbicides, “weed management” has become almost synonymous with “herbicide management.” Over-reliance on herbicides and herbicide-resistant crops has given rise to herbicide resistant weeds. Integrated weed management (IWM) identifies three strategies for weed management— biological-cultural, chemical-technological, mechanical-physical—and recommends combining all three to mitigate herbicide resistance. However, adoption of IWM has stalled, and research to understand the adoption of IWM practices has focused on single stakeholder groups, especially farmers. In contrast, decisions about weed management (...) often occur within a social ecosystem where multiple stakeholder groups co-create knowledge and practices. To more holistically investigate perceptions and decision-making related to herbicide resistant weed management, we conducted 23 in-depth interviews in combination with Q methodology with farmers and public-/private-sector agricultural professionals in the state of Georgia (U.S.). Our investigation focused on the management of an increasingly herbicide resistant weed, Palmer amaranth, which enabled broader conversations about agricultural systems, farmer livelihoods, and sustainability. Factor and thematic analyses allowed us to identify and characterize two distinct typologies: one primarily valued agronomic efficiency and relied upon chemical-technological management practices, while the other valued diversifying weed management strategies as the pathway to agronomic and economic success. Typologies diverged substantially in attitudes toward the three weed management strategies, the role of technology, and systems management generally. These two viewpoints have implications for how we understand underlying stakeholder motivations and choices around weed management strategies, both of which are crucial in promoting and supporting farmer use of diverse, ecologically-sound, weed management strategies. (shrink)

Background Research ethics is intertwined with and depends on building robust and responsive research governance systems alongside researchers. Globally there has been substantial investment in agriculture, nutrition, and health (ANH) research motivated by the need to improve health outcomes, such as micronutrient deficiencies in Sub-Saharan Africa. Although there has been a notable focus on ethical issues inherent in ANH studies, there has been scanty research examining researchers’ attitudes related to ANH research. This study was conducted to explore the perspectives of (...) researchers who conducted an agronomic biofortification study in Malawi. Methodology In-depth interviews were conducted with a purposive sample of ten ANH researchers. Interviews were conducted online via Zoom, audio-recorded, transcribed verbatim, and thematically analysed using the Leadership, Ethics, Governance and Systems Framework. Results Four core aspects emerged: Leadership: The relevance of building ethics leadership and ethical competence among researchers. Ethics: There is a need to develop a framework that operationalises core ethical values that can guide the implementation of ANH research. Governance: Research guidelines were perceived to be too generic to guide ANH research. Systems: Researchers’ recommended the establishment of a specialised ANH research ethics committee. Conclusions The findings highlight the significance of building ethics leadership and supporting ethical competency amongst researchers. Researchers recommended the development of tailored approaches rather than utilising generic governance systems and frameworks that are drawn from medical research and thus not fit for purpose in this field. In Malawi, specialised ethics review committees are needed to guide ANH research. (shrink)

Dans ce texte de Tchaïanov daté de l’été 1917, qu’une traduction partielle rend ici pour la première fois accessible au lectorat francophone, l’agronome, économiste et spécialiste de l’économie paysanne russe défend un collectivisme fondé sur l’idée d’une résistance de la paysannerie au développement du capitalisme. Ce texte a joué un rôle décisif à la fois dans la polarisation des débats sur le collectivisme en Russie à partir de 1917 et dans l’histoire des réceptions du marxisme dans la sociologie rurale tout (...) au long du XX e siècle. En fondant certaines thèses populistes sur des études empiriques de la situation russe, Tchaïanov a permis le développement d’un « néo-narodnisme écologique » dans les sciences sociales à partir des années 1960. (shrink)

The seed system is a major component of traditional management of crop genetic diversity in developing countries. Seed flows are an important part of this system. They have been poorly studied for minor Andean crops, especially those that are propagated vegetatively. We examine the seed exchanges of Oxalis tuberosa Mol., a vegetatively propagated crop capable of sexual reproduction. We studied the seed exchanges of four rural communities in Candelaria district at the international and local levels, emphasizing the spread of new (...) sexually-produced genotypes through these exchanges. Interviews with 44 farmers generated socioeconomic, agronomic, crop diversity and seed exchange information, and data on the potential incorporation of new sexually-produced genotypes in the crop germplasm. We interviewed merchants to evaluate the input and output of genetic diversity in the communities studied. Results showed a positive effect of the farmers’ wealth on the diversity cultivated and on seed exchanges. Most seed exchanges occurred at market, creating a distinction between cash and self-consumption landraces. Cash landraces were intensively exchanged; self-consumption landraces were isolated at the farmer level and prone to genetic drift and complete loss. Merchants exported seeds of cash landraces across Bolivia and into Peru and Argentina. New sexually produced genotypes are less incorporated into cash landraces than in self-consumed landraces. However, new genotypes incorporated into cash landraces are diffused faster and better, being more intensively exchanged. We propose conservation strategies that can be applied to other vegetatively propagated and minor Andean crops. (shrink)

This article returns to an old but not hitherto satisfactorily solved question, and aims at putting forward a new approach to the study of the sources and authorship of two contemporary treatises on agriculture: the Nabatean Agriculture and the Geoponica. Each of them embodies a long tradition reaching from Antiquity to the 10th century in two different cultural provinces expressed in Greek / Latin and Arabic languages. But there is another common feature of these works. Both of them survived in (...) a significant number of manuscripts, and constitute a kind of revision of previous compilations which drew their contents from more ancient treatises brought to light between the 3rd and 6th centuries AD, and to some extent could be qualified as the outcome of an effort for systematising the corpus of agronomical science. Texts and translations from Greek to Latin, from Greek to Syriac or to Arabic, and from Arabic to Armenian attest to this cultural intercommunication. (shrink)

The aim of this work is to end the debate about the widespread acceptance among specialists, that the 6th century Byzantium treatise by Cassianus reached Muslim scholars by means of two routes: a translation from Greek into Arabic and the other translation by means of a Persian translation. Thanks to a comparison of the texts, one can prove beyond all doubt that there was only a secondary translation route into Arabic from the Persian version. Additionally, this work highlights the significant (...) influence of the Fila[hdotu]arumiyya on the Andalusian agronomy. The most influenced subjects are pointed out and those agronomic sources derived from this treatise and the 10th century Greek Geoponica are studied. This study allows us to conclude that the later work was never translated into Arabic, therefore, the Andalusian agronomists only had access to the Arabic versions of Anatolius and Cassianus to which the Pseudo-Qus[tdotu]us' work was later added. (shrink)

Animal feeding operations have come under increased scrutiny as sources of water pollution. Due to the concentration of animals at individual locations and in certain regions, the local environment may not be able to use all of the nutrients contained in the manure. Particularly, problematic are waters being impaired by nitrogen and phosphorus from animal manure. Since federal and state regulations have not been totally successful in precluding water contamination from manure nutrients, scientists and policymakers might seek ways to encourage (...) the use of manure as a resource for crop production. By analyzing diverse state regulations, this paper identifies several strategies that would treat animal waste as a recyclable production input rather than a production byproduct. Citizens and regulators can encourage more sustainable livestock production by proffering regulations that mandate selected production requirements or practices. Agronomic rate regulations, limitations on manure application and timing, lagoon safety requirements, closure mandates, and alternative uses of manure constitute possibilities to remedy some pollution problems. (shrink)

Edgar Zilsel's famous thesis, which argues that modern experimental science was born from the union of artisans and intellectuals in the 16th century, received little support when Zilsel proposed it in the 1940s. In recent years, however, with the turn toward social and cultural history of science, the “Zilsel Thesis” has undergone something of a revival as historians rethink the relevance of artisanal knowledge for the history of early modern science. This essay looks at the Zilsel Thesis in a global (...) setting – specifically a colonial Iberian setting – and argues for its relevance in framing natural history, medicine, and the impact of science on everyday life. Using the examples of corn, quina, and cochineal, this essay argues that the agronomic, chemical, and entomological knowledge accumulated over generations of practice by indigenous practitioners was in fact artisanal knowledge that was passed on to European intellectuals in “global trading zones” to become part of the Western scientific patrimony. (shrink)

Wheat is an allopolyploid containing three distinct but genetically related (homoeologous) genomes, A, B and D. Because of polyploid inheritance and large genome size (16×1012 bp), the wheat genome is thought to be intractable to map‐based cloning of agronomic and other genes of interest. We propose a targeted geneti mapping strategy that combines linkage and physical mapping and may facilitate map‐based cloning. High‐density linkage maps are either generated in wheat or in diploid Triticum tauschii, the donor of the D genome (...) to wheat. Molecular marker‐based chromosome maps are constructed, using an array of deletion lines in wheat. The conventional genetic linkage maps are aligned with chromosome maps to construct cytogenetic ladder maps (CLMs). The CLMs allow region‐specific mapping and convert genetic distances into physical distances. The information from CLMs suggests that many genes in wheat are present in clusters that are highly recombiogenic, small, and may be amenable to cloning by chromosome walking. Therefore, the effective genome size of wheat is relatively small in comparison to the whole genome. The utility of using the smaller genome of rice for mapping and homologous gene cloning is discussed. (shrink)

Since Darwin, there has been a long and arduous struggle to understand the source and maintenance of natural genetic variation and its relationship to phenotype. The reason that this task is so difficult is that it requires integration of detailed, and as yet incomplete, knowledge from several biological disciplines, including evolutionary, population, and developmental genetics. In this ‘post‐genomic’ era, it is relatively easy to identify differences in the DNA sequence between individuals. However, the task remains to delineate how this abundant (...) genetic diversity actually contributes to phenotypic diversity. This necessitates tackling the problem of hidden genetic variation. Genetic polymorphisms can be conditionally cryptic, but have the potential to contribute to phenotypic variation in particular genetic backgrounds or under specific environmental conditions. A recent paper by Lauter and Doebley highlights the contribution of hidden genetic variation to traits characterizing the morphological evolution of modern maize from its wild grass‐like progenitor teosinte.1 This work is the first to demonstrate hidden variance for selected (agronomically ‘adaptive’) traits in a well‐characterized model for morphological evolution. BioEssays 24:685–689, 2002. © 2002 Wiley Periodicals, Inc. (shrink)

There are a growing number of examples where naturally occurring mutations disrupt an established physiological or developmental pathway to yield a new condition that is evolutionary favored. Asexual reproduction by seed in plants, or apomixis, occurs in a diversity of taxa and has evolved from sexual ancestors. One form of apomixis, diplospory, is a multi‐step development process that is initiated when meiosis is altered to produce an unreduced rather than a reduced egg cell. Subsequent parthenogenetic development of the unreduced egg (...) yields genetically maternal progeny. While it has long been apparent from cytological data that meiosis in apomicts was malfunctional or completely bypassed, the genetic basis of the phenomenon has been a long‐standing mystery. New data from genetic analysis of Arabidopsis mutants1 in combination with more sophisticated molecular understanding of meiosis in plants indicate that a weak mutation of the gene SWI, called DYAD, interferes with sister chromatid cohesion in meiosis I, causes synapsis to fail in female meiosis and yields two unreduced cells. The new work shows that a low percentage of DYAD ovules produce functional unreduced egg cells (2n) that can be fertilized by haploid pollen (1n) to give rise to triploid (3n) progeny. While the DYAD mutants differ in some aspects from naturally occurring apomicts, the work establishes that mutation to a single gene can effectively initiate apomictic development and, furthermore, focuses efforts to isolate apomixis genes on a narrowed set of developmental events. Profitable manipulation of meiosis and recombination in agronomically important crops may be on the horizon. BioEssays 30:798–801, 2008. © 2008 Wiley Periodicals, Inc. (shrink)

Alice Săvulescu, née Aronescu (1905–1970), was a mycologist and plant pathologist. She earned her PhD from Columbia University in New York in 1934 and joined agronomic research in Bucharest later that year. Between 1946 and 1970, she held leadership positions in scientific institutions, published extensively, participated in international scholarly societies, and was elected to the Academy of the Popular Republic of Romania in 1963. This article examines Alice Aronescu Săvulescu’s biography through the lens of the scientific persona. It explores how (...) her individual experiences, the specificities of plant pathology, and the social and political context shaped her scientific trajectory. (shrink)

Beginning in 1989, the breakup of the Soviet Bloc disrupted trade and cut off Cuba's source of subsidized fuel oil, making many modern agricultural practices impossible, including the wide use of pesticides. Among Cuba's responses was an emphasis on biological control of plant diseases. Research into biological control began in the 1930s, and after the revolution many scientists maintained an unofficial interest. When the 1989 economic crisis occurred, the government placed a high priority on biocontrol, and researchers were in a (...) position to begin immediate implementation. For example, the construction of factories for the mass production of biological agents had been approved in 1988, and are currently in operation. Disease monitoring was undertaken before the current crisis, with more than 90% of Cuban agriculture using it to some extent. Such monitoring has allowed a reduction in pesticide use. Since the 1989 onset of economic crisis the monitor system has not been greatly modified for use with biological control techniques, but an example of a successful transition from chemical treatment to biocontrol in Cuba is in banana plantations.At the various research centers, research is being conducted in the biocontrol of vegetable diseases, tobacco root diseases, nematodes, and pasture weeds. Technical research is being done on mass production of inoculum, the production of application formulations, and storage of biocontrol products. Because wide use of biocontrol agents was urgently desired, the government cooperated at every step of research, including in regulatory matters. Obstacles to successful biocontrol mentioned by Cuban scientists were the lack of taxonomic knowledge and the need for strict quality control.There are few economic studies of biocontrol agents despite the importance of such studies. Cuban scientists are in an excellent position to do such research. Forced by the economic crisis to act, Cuba has made a major change in national agronomic policy that may represent a significant and new direction for “modern” agricultural practices. (shrink)

As the organic food sector has grownand changed to become more mainstream, large-scaleconventional growers have entered into organicproduction. While it is increasingly clear that notall organic farms are self-sufficient small scaleunits that practice poly-cultural agronomy and sell inlocal marketing venues, there still exists apresumption that there are clear lines between thesmall scale ``movement'' farmers who followagro-ecological agronomic ideals and the relativelylarger and partly conventional newcomers who do not.This paper addresses a specific empirical issue, whichis the extent to which California organic (...) farmerspractice the techniques of ecological farming. Itillustrates that while there are some distinctdifferences in practices between larger and/orpart-conventional (i.e., mixed) growers and smallerand/or all-organic growers, it also shows that inalmost all cases, practices fall quite short ofagro-ecological ideals. By examining in more depth howgrowers follow particular agro-ecological principles,the paper also demonstrates that key variations arerelated to variables separate from scale. Some ofthese variables are geographic, ranging frombiophysical and climatic opportunities andconstraints, to regional norms and institutionalsupport. Mostly, however, variation is related to cropspecificities and the availability of efficacioustechnologies to deal with crop-specific problems. Thisso-called technology barrier crucially depends on howorganic is defined, and thus suggests the importanceof organic rules and regulations in shaping thepractices of organic production. (shrink)

In this paper I examine the controversy over genetically modified canola (GM canola) in Australia as an ontological politics, drawing on recent work in Science and Technology Studies that extends actor-network theory and its commitment to the contingency of reality. I examine three different and overlapping performances of GM canola: as an agronomic object, a risk object and a market object. I focus on how each performance effects similarities and differences between GM and conventional canola that are productive of ontological (...) distinctions that make GM canola controversial. I argue this analysis offers useful insights that are not revealed by more traditional explanations of controversy. (shrink)